Diagnostic Trouble Code Definitions

NOTE: Anti-Lock Brake System (ABS) control module is referred to as a Stability Assist Module (SAM) if vehicle is equipped with traction control and stability assist. Audio Control Module (ACM) may also be referred to as audio unit. Next Generation Speed Control (NGSC) servo is an integral part of the Powertrain Control Module (PCM). Message center module is an integral part of the instrument cluster. Steering Column Lock Module (SCLM) may also be referred to as a Steering Column Lock Unit (SCLU) or steering column lock.

ANTI-LOCK BRAKE SYSTEM CONTROL MODULE DTC INDEX

DTC

Description

Perform Test

B1255 ⁽¹⁾

Air Temperature External Sensor Circuit Open

⁽²⁾

B1257 ⁽¹⁾

Air Temperature External Sensor Circuit Short To Ground

⁽²⁾

B1342

ECU Defective

⁽³⁾

B1485

Brake Pedal Input Circuit Shorted To Voltage

⁽²⁾

B1676

Battery Voltage Out Of Range

⁽²⁾

B2477

Module Configuration Failure

⁽⁵⁾

C1095

ABS Hydraulic Pump Motor Circuit Failure

⁽²⁾

C1145

Right Front ABS Sensor Input Circuit Failure

⁽²⁾

C1155

Left Front ABS Sensor Input Circuit Failure

⁽²⁾

C1165

Right Rear ABS Sensor Input Circuit Failure

⁽²⁾

C1175

Left Rear ABS Sensor Input Circuit Failure

⁽²⁾

C1233

Left Front ABS Sensor Input Signal Missing

⁽²⁾

C1234

Right Front ABS Sensor Input Signal Missing

⁽²⁾

C1235

Right Rear ABS Sensor Input Signal Missing

⁽²⁾

C1236

Left Rear ABS Sensor Input Signal Missing

⁽²⁾

C1277 ⁽¹⁾

Steering Wheel Angle 1 & 2 Circuit Failure

⁽²⁾

C1278 ⁽¹⁾

Steering Wheel Angle 1 & 2 Signal Failure

⁽²⁾

C1279 ⁽¹⁾⁽⁴⁾

Yaw Rate Sensor Circuit Failure

⁽²⁾

C1280 ⁽¹⁾⁽⁴⁾

Yaw Rate Sensor Signal Failure

⁽²⁾

C1281 ⁽¹⁾⁽⁴⁾

Lateral Accelerometer Circuit Failure

⁽²⁾

C1282 ⁽¹⁾⁽⁴⁾

Lateral Accelerometer Signal Failure

⁽²⁾

C1285 ⁽¹⁾

Booster Solenoid Circuit Failure

⁽²⁾

C1286 ⁽¹⁾

Booster Mechanical Failure

⁽²⁾

C1287 ⁽¹⁾

Booster Pedal Force Switch Circuit Failure

⁽²⁾

C1288 ⁽¹⁾⁽⁴⁾

Pressure Transducer Main/Primary Input Circuit Failure

⁽²⁾

C1289 ⁽¹⁾⁽⁴⁾

Pressure Transducer Redundant/Secondary Input Circuit Failure

⁽²⁾

C1730 ⁽¹⁾⁽⁴⁾

Reference Voltage Out Of Range (+5 V)

⁽²⁾

C1805 ⁽¹⁾

Mismatched PCM And/Or Stability Assist Module

⁽²⁾

C1960 ⁽¹⁾

Driver Brake Apply Circuit Fault

⁽²⁾

C1963 ⁽¹⁾

Stability Control Inhibit Warning

⁽²⁾

C1969 ⁽¹⁾

TC/YC Switch Lamp Circuit Fault

⁽²⁾

U1009

SCP Invalid/Missing Data For Engine Torque

⁽⁶⁾

U1027

SCP Invalid/Missing Data For Engine RPM

⁽⁶⁾

U1059

SCP Invalid/Missing Data For Transmission Range (PRNDL)

⁽⁷⁾

U1073

SCP Invalid/Missing Data For Engine Coolant

⁽⁶⁾

U1243

SCP Invalid/Missing Data For Exterior Environment

⁽⁶⁾

U1262

SCP Bus Communications Fault

⁽⁸⁾

⁽¹⁾	This code only applies to vehicles with traction control and stability assist.

⁽²⁾	Repair anti-lock brake system concern. See appropriate ANTI-LOCK article in BRAKES.

⁽³⁾	Using NGS tester, retrieve and document all continuous DTCs. Perform Anti-Lock Brake System (ABS) control module self-test. If DTC B1342 is retrieved again, replace ABS control module.

⁽⁴⁾	DTC C1730 MUST BE repaired before repairing DTCs C1279, C1280, C1281, C1282, C1288 and/or C1289.

⁽⁵⁾	Configure Anti-Lock Brake System (ABS) control module. See COMPUTER RELEARN PROCEDURES article in GENERAL INFORMATION. If module was configured correctly, replace ABS control module and repeat self-test.

⁽⁶⁾	Caused by Powertrain Control Module (PCM). Using NGS tester, perform PCM self-test and repair powertrain control concern. See appropriate SELF-DIAGNOSTICS article in ENGINE PERFORMANCE.

⁽⁷⁾	Caused by Powertrain Control Module (PCM). Using NGS tester, perform PCM self-test and repair transmission control concern. See appropriate ELECTRONIC CONTROLS article in AUTOMATIC TRANSMISSIONS.

⁽⁸⁾	Perform TEST A: ANTI-LOCK BRAKE SYSTEM (ABS) MODULE DOES NOT RESPOND TO NGS TESTER under SYSTEM TESTS.

AUDIO CONTROL MODULE DTC INDEX

DTC

Description

Perform Test

B1342

ECU Defective

⁽¹⁾

B2401

Audio Tape Deck Mechanical Fault

⁽²⁾

B2402

Audio CD/DJ Thermal Shutdown

⁽³⁾

B2403

Audio CD/DJ Internal Fault

⁽³⁾

B2404

Audio Steering Wheel Switch Circuit Failure

⁽³⁾

B2405

Audio Single-Disc CD Player Thermal Shutdown Fault

⁽⁴⁾

B2406

Audio Single-Disc CD Player Internal Fault

⁽⁴⁾

B2477

Module Configuration Failure

⁽⁵⁾

U2003

Audio CD/DJ Is Not Responding

⁽³⁾

U2005

Audio Rear Integrated Control Panel Unit Is Not Responding

⁽⁶⁾

U2008

Audio Phone Is Not Responding

⁽⁷⁾

U2014

Audio Subwoofer Unit Is Not Responding

⁽³⁾

U2020

Center Image Amplifier Is Not Responding

⁽³⁾

⁽¹⁾	Using NGS tester, retrieve and document all continuous DTCs. Perform Audio Control Module (ACM) self-test. If DTC B1342 is retrieved again, replace ACM.

⁽²⁾	Remove audio tape. Using NGS tester, clear DTCs. Perform Audio Control Module (ACM) self-test. If B2401 is retrieved again, repair or replace ACM.

⁽³⁾	Repair audio system concern.

⁽⁴⁾	Not used on this vehicle.

⁽⁵⁾	Configure Audio Control Module (ACM). See COMPUTER RELEARN PROCEDURES article in GENERAL INFORMATION. If module was configured correctly, replace ACM and repeat self-test.

⁽⁶⁾	This DTC is retrieved if vehicle is not equipped with Rear Integrated Control Panel (RICP), or RICP is disconnected or inoperative.

⁽⁷⁾	Repair cellular phone system concern.

CELLULAR PHONE MODULE DTC INDEX

DTC

Description

Perform Test

B1342

ECU Defective

⁽¹⁾

B1844

Phone Handset Circuit Failure

⁽²⁾

⁽¹⁾	Using NGS tester, retrieve and document all continuous DTCs. Perform Cellular Phone Module (CPM) self-test. If DTC B1342 is retrieved again, replace CPM.

⁽²⁾	Replace Cellular Phone Module (CPM).

DRIVER'S DOOR MODULE DTC INDEX

DTC

Description

Perform Test

B1309

Power Door Lock Circuit Short To Ground

⁽¹⁾

B1341

Power Door Unlock Circuit Short To Ground

⁽¹⁾

B1342

ECU Defective

⁽²⁾

B1400

Driver's Window One-Touch Down Window Relay Circuit Short To Voltage

⁽³⁾

B1405

Driver's Power Window Down Circuit Short To Voltage

⁽³⁾

B1408

Driver's Power Window Up Circuit Short To Voltage

⁽³⁾

B1416

Left Rear Power Window Motor Circuit Short To Voltage

⁽³⁾

B1420

Passenger's Power Window Motor Circuit Short To Voltage

⁽³⁾

B1424

Right Rear Power Window Motor Circuit Short To Voltage

⁽³⁾

B1530

Memory Set Switch Circuit Short To Ground

⁽⁴⁾

B1534

Memory 1 Switch Circuit Short To Ground

⁽⁴⁾

B1538

Memory 2 Switch Circuit Short To Ground

⁽⁴⁾

B1676

Battery Voltage Out Of Range

⁽⁵⁾

B2112

Driver's Door Set Switch Stuck Failure

⁽¹⁾

B2116

Driver's Door Release Switch Stuck Failure

⁽¹⁾

B2320

Driver's Mirror Horizontal Feedback Potentiometer Circuit Failure

⁽⁴⁾

B2324

Driver's Mirror Vertical Feedback Potentiometer Circuit Failure

⁽⁴⁾

B2336

Mirror Switch Assembly Circuit Failure

⁽⁴⁾

B2425

Remote Keyless Entry Out Of Synchronization

⁽¹⁾

B2477

Module Configuration Failure

⁽⁶⁾

U1041

SCP Invalid/Missing Data For Vehicle Speed

⁽⁷⁾

U1059

SCP Invalid/Missing Data For Transmission Range (PRNDL)

⁽⁸⁾

⁽¹⁾	Repair remote keyless entry system concern. See SELF-DIAGNOSTIC SYSTEM in REMOTE KEYLESS ENTRY SYSTEMS - LS article.

⁽²⁾	Using NGS tester, retrieve and document all continuous DTCs. Perform Driver's Door Module (DDM) self-test. If DTC B1342 is retrieved again, replace DDM.

⁽³⁾	Repair power window system concern. See SELF-DIAGNOSTIC SYSTEM in POWER WINDOWS - LS article.

⁽⁴⁾	Repair power mirror system concern. See SELF-DIAGNOSTIC SYSTEM in POWER MIRRORS - LS article.

⁽⁵⁾	Repair active anti-theft system concern. See SELF-DIAGNOSTIC SYSTEM in ACTIVE ANTI-THEFT SYSTEMS - LS article.

⁽⁶⁾	Configure Driver's Door Module (DDM). See COMPUTER RELEARN PROCEDURES article in GENERAL INFORMATION. If module was configured correctly, replace DDM and repeat self-test.

⁽⁷⁾	Caused by Anti-Lock Brake System (ABS) module. Using NGS tester, perform ABS self-test and repair anti-lock brake system concern. See appropriate ANTI-LOCK article in BRAKES.

⁽⁸⁾	Caused by Powertrain Control Module (PCM). Using NGS tester, perform PCM self-test and repair powertrain control concern. See appropriate SELF-DIAGNOSTICS article in ENGINE PERFORMANCE.

DRIVER'S SEAT MODULE DTC INDEX

DTC

Description

Perform Test

B1342

ECU Defective

⁽¹⁾

B1676

Battery Voltage Out Of Range

⁽²⁾

B1703

Driver's Seat Recline Forward Switch Circuit Short To Voltage

⁽²⁾

B1707

Driver's Seat Recline Rearward Switch Circuit Short To Voltage

⁽²⁾

B1711

Driver's Seat Front Up Switch Circuit Short To Voltage

⁽²⁾

B1715

Driver's Seat Front Down Switch Circuit Short To Voltage

⁽²⁾

B1719

Driver's Seat Forward Switch Circuit Short To Voltage

⁽²⁾

B1723

Driver's Seat Rearward Switch Circuit Short To Voltage

⁽²⁾

B1727

Driver's Seat Rear Up Switch Circuit Short To Voltage

⁽²⁾

B1731

Driver's Seat Rear Down Switch Circuit Short To Voltage

⁽²⁾

B1757

Driver's Seat Rear Down Circuit Failure

⁽²⁾

B1761

Driver's Seat Front Down Circuit Failure

⁽²⁾

B1765

Driver's Seat Forward Circuit Failure

⁽²⁾

B1769

Driver's Seat Rearward Circuit Failure

⁽²⁾

B2143

NVM Memory Failure

⁽³⁾

B2146

Seat Recline Motor Position Out Of Range

⁽²⁾

B2149

Seat Front Vertical Motor Position Out Of Range

⁽²⁾

B2152

Seat Vertical Motor Position Out Of Range

⁽²⁾

B2155

Seat Horizontal Motor Position Out Of Range

⁽²⁾

B2158

Seat Recline Motor Memory Position Out Of Range

⁽²⁾

B2161

Seat Front Vertical Motor Memory Position Out Of Range

⁽²⁾

B2164

Seat Rear Vertical Motor Memory Position Out Of Range

⁽²⁾

B2167

Seat Horizontal Motor Memory Position Out Of Range

⁽²⁾

⁽¹⁾	Using NGS tester, retrieve and document all continuous DTCs. Perform Driver's Seat Module (DSM) self-test. If DTC B1342 is retrieved again, replace DSM.

⁽²⁾	Repair power seat system concern. See SELF-DIAGNOSTIC SYSTEM in POWER SEATS - LS article.

⁽³⁾	Replace Driver's Seat Module (DSM). Using NGS tester, perform DSM self-test.

DUAL ELECTRONIC AUTOMATIC TEMPERATURE CONTROL MODULE DTC INDEX

DTC

Description

Perform Test

B1242

Recirculation Door Actuator Circuit Failure

⁽¹⁾

B1251

In-Car Temperature Sensor Circuit Open

⁽¹⁾

B1253

In-Car Temperature Sensor Circuit Short To Ground

⁽¹⁾

B1255

Ambient Temperature Sensor Circuit Open

⁽¹⁾

B1257

Ambient Temperature Sensor Circuit Short To Ground

⁽¹⁾

B1259

A/C Solar Radiation Sensor Circuit Open

⁽¹⁾

B1261

A/C Solar Radiation Sensor Circuit Short To Ground

⁽¹⁾

B1262

Defrost Door Actuator Circuit Failure

⁽¹⁾

B1263

Panel Door Actuator Circuit Failure

⁽¹⁾

B1264

Floor Door Actuator Circuit Failure

⁽¹⁾

B1265

Cold Air By-Pass Door Actuator Circuit Failure

⁽¹⁾

B1342

ECU Defective

⁽¹⁾

B1676

Battery Voltage Out Of Range

⁽¹⁾

B1946

Evaporator Discharge Temperature Sensor Circuit Open

⁽¹⁾

B1947

Evaporator Discharge Temperature Sensor Circuit Short To Ground

⁽¹⁾

B1966

Driver's Heater Core Discharge Temperature Sensor Circuit Open

⁽¹⁾

B1967

Driver's Heater Core Discharge Temperature Sensor Circuit Short

⁽¹⁾

B2428

Passenger's Heater Core Discharge Temperature Sensor Circuit Open

⁽¹⁾

B2429

Passenger's Heater Core Discharge Temperature Sensor Circuit Short

⁽¹⁾

B2477

Module Configuration Failure

⁽²⁾

U1041

SCP Invalid/Missing Data For Vehicle Speed

⁽³⁾

U1027

SCP Invalid/Missing Data For Engine RPM

⁽³⁾

U1073

SCP Invalid/Missing Data For Engine Coolant

⁽³⁾

U1178

SCP Invalid/Missing Data For Voice Command

⁽⁴⁾

U1222

SCP Invalid/Missing Data For Interior Lights

⁽⁵⁾

⁽¹⁾	Repair climate control concern. See appropriate AUTOMATIC A/C-HEATER SYSTEMS article in AIR CONDITIONING & HEATING.

⁽²⁾	Configure Dual Electronic Automatic Temperature Control Module (DEATCM). See COMPUTER RELEARN PROCEDURES article in GENERAL INFORMATION. If module was configured correctly, replace DEATCM and repeat self-test.

⁽³⁾	Caused by Powertrain Control Module (PCM). Using NGS tester, perform PCM self-test and repair powertrain control concern. See appropriate SELF-DIAGNOSTICS article in ENGINE PERFORMANCE.

⁽⁴⁾	This code only appears if vehicle is equipped with voice command. Testing information is not available from manufacturer.

⁽⁵⁾	Repair interior lighting system concern. See SELF-DIAGNOSTIC SYSTEM in AUTOLAMP SYSTEMS - LS article.

FRONT ELECTRONIC MODULE DTC INDEX

DTC

Description

Perform Test

B1319

Driver's Door Ajar Circuit Failure

⁽¹⁾

B1327

Passenger's Door Ajar Circuit Failure

⁽¹⁾

B1342

ECU Defective

⁽²⁾

B1438

Wiper Mode Select Switch Circuit Failure

⁽³⁾

B1446

Wiper Park Sense Circuit Failure

⁽³⁾

B1479

Wiper Washer Fluid Level Sensor Circuit Failure

⁽⁴⁾

B1499

Left Turn Signal Lamp Circuit Failure

⁽¹⁾

B1501

Left Turn Signal Lamp Circuit Short To Voltage

⁽¹⁾

B1503

Right Turn Signal Lamp Circuit Failure

⁽¹⁾

B1505

Right Turn Signal Lamp Circuit Short To Voltage

⁽¹⁾

B1519

Hood Switch Circuit Failure

⁽⁵⁾

B1567

Headlamp High Beam Lamp Circuit Failure

⁽¹⁾

B1676

Battery Voltage Out Of Range

⁽⁵⁾

B1794

Headlamp Low Beam Lamp Circuit Failure

⁽¹⁾

B2214

Passenger's Front Window Up Switch Short To Voltage

⁽⁶⁾

B2215

Passenger's Front Window Down Switch Short To Voltage

⁽⁶⁾

B2312

Passenger's Mirror Horizontal Feedback Potentiometer Circuit Failure

⁽⁷⁾

B2316

Passenger's Mirror Vertical Feedback Potentiometer Circuit Failure

⁽⁷⁾

B2442

Intrusion Sensor Fault

⁽⁸⁾

B2443

Powertrain Performance Mode Switch Circuit Failure

⁽⁹⁾

B2477

Module Configuration Failure

⁽¹⁰⁾

C1284

Oil Pressure Switch Failure

⁽⁴⁾

C1446

Brake Switch Circuit Failure

⁽⁴⁾

C1924

VAPS Solenoid Actuator Output Circuit Short To Ground

⁽¹¹⁾

C1925

VAPS Solenoid Actuator Return Circuit Failure

⁽¹¹⁾

U1027

SCP Invalid/Missing Data For Engine RPM

⁽¹²⁾

U1041

SCP Invalid/Missing Data For Vehicle Speed

⁽¹³⁾

U1059

SCP Invalid/Missing Data For Transmission Range (PRNDL)

⁽¹²⁾

U1218

SCP Invalid/Missing Data For External Lamps

⁽¹⁴⁾

U1222

SCP Invalid/Missing Data For Interior Lamps

⁽¹⁴⁾

U1227

SCP Invalid/Missing Data For Body Status

⁽¹⁴⁾

⁽¹⁾	Repair lighting system concern. See SELF-DIAGNOSTIC SYSTEM in AUTOLAMPS - LS article.

⁽²⁾	Using NGS tester, retrieve and document all continuous DTCs. Perform Front Electronic Module (FEM) self-test. If DTC B1342 is retrieved again, replace FEM.

⁽³⁾	Repair wiper/washer system concern. See SELF-DIAGNOSTIC SYSTEM in WIPER/WASHER SYSTEMS - LS article.

⁽⁴⁾	For testing procedures, see SELF-DIAGNOSTIC SYSTEM in INSTRUMENT PANELS - LS article.

⁽⁵⁾	Repair active anti-theft system concern. See SELF-DIAGNOSTIC SYSTEM in ACTIVE ANTI-THEFT SYSTEMS - LS article.

⁽⁶⁾	Repair power window system concern. See SELF-DIAGNOSTIC SYSTEM in POWER WINDOWS - LS article.

⁽⁷⁾	Repair power mirrors system concern. See SELF-DIAGNOSTIC SYSTEM in POWER MIRRORS - LS article.

⁽⁸⁾	Information is not available from manufacturer.

⁽⁹⁾	Not used on this vehicle.

⁽¹⁰⁾	Configure Front Electronic Module (FEM). See COMPUTER RELEARN PROCEDURES article in GENERAL INFORMATION. If module was configured correctly, replace FEM and repeat self-test.

⁽¹¹⁾	Repair electronic steering concern. See appropriate ELECTRONIC article in STEERING.

⁽¹²⁾	Caused by Powertrain Control Module (PCM) module. Using NGS tester, perform PCM self-test and repair powertrain control concern. See appropriate SELF-DIAGNOSTICS article in ENGINE PERFORMANCE.

⁽¹³⁾	Caused by Anti-Lock Brake System (ABS) module. Using NGS tester, perform ABS self-test and repair anti-lock brake system concern. See appropriate ANTI-LOCK article in BRAKES.

⁽¹⁴⁾	Caused by instrument cluster. Using NGS tester, perform instrument cluster self-test.

INSTRUMENT CLUSTER DTC INDEX

DTC

Description

Perform Test

B1201

Fuel Sender Circuit Failure

⁽¹⁾

B1205

Instrument Cluster Switch 1 Assembly Circuit Failure

⁽²⁾

B1209

Instrument Cluster Switch 2 Assembly Circuit Failure

⁽²⁾

B1213

Number Of Programmed Ignition Keys Below Minimum

⁽³⁾

B1246

Dim Panel Potentiometer Switch Circuit Failure

⁽¹⁾

B1342

ECU Defective

⁽⁴⁾

B1352

Ignition Key-In Circuit Failure

⁽¹⁾

B1470

Headlamp Input Circuit Failure

⁽⁵⁾

B1492

Ignition Cylinder Sensor Circuit Open

⁽³⁾

B1567

Headlamp High Beam Circuit Failure

⁽⁵⁾

B1600

PATS Ignition Key Transponder Signal Not Received

⁽³⁾

B1601

PATS Received Incorrect Key-Code From Ignition Key Transponder

⁽³⁾

B1602

PATS Received Invalid Key-Code Format From Transponder

⁽³⁾

B1676

Battery Voltage Out Of Range

⁽¹⁾

B1681

PATS Transceiver Signal Is Not Received

⁽³⁾

B1689

Autolamp Delay Circuit Failure

⁽⁵⁾

B1875

Turn Signal/Hazard Switch Signal Circuit Failure

⁽⁵⁾

B2103

Antenna Not Connected

⁽³⁾

B2139

PATS Data Mismatch

⁽³⁾

B2141

NVM Configuration Failure

⁽³⁾

B2143

NVM Memory Failure

⁽¹⁾

B2162

PATS Data Mismatched #2

⁽³⁾

B2328

Column Reach Feedback Potentiometer Circuit Failure

⁽⁶⁾

B2332

Column Tilt Feedback Potentiometer Circuit Failure

⁽⁶⁾

B2351

Steering Column Switch Circuit Failure

⁽⁶⁾

B2431

Transponder Programming Failed

⁽³⁾

B2472

For Light Switch Failure

⁽⁵⁾

B2477

Module Configuration Failure

⁽⁷⁾

U1041

SCP Invalid/Missing Data For Vehicle Speed

⁽⁸⁾

U1059

SCP Invalid/Missing Data For Transmission Range (PRNDL)

⁽⁹⁾

U1073

SCP Invalid/Missing Data For Engine Coolant

⁽¹⁰⁾

U1123

SCP Invalid/Missing Data For Odometer

⁽⁸⁾

U1131

SCP Invalid/Missing Data For Fuel System

⁽¹⁾

U1147

SCP Invalid/Missing Data For Vehicle Security System

⁽¹⁰⁾

⁽¹⁾	For testing procedure, see SELF-DIAGNOSTIC SYSTEM in INSTRUMENT PANELS - LS article.

⁽²⁾	Replace instrument cluster.

⁽³⁾	Repair passive anti-theft system concern. See SELF-DIAGNOSTIC SYSTEM in PASSIVE ANTI-THEFT SYSTEMS - LS article.

⁽⁴⁾	Using NGS tester, retrieve and record all continuous DTCs. Perform instrument cluster self-test. If DTC B1342 still exists, replace instrument cluster.

⁽⁵⁾	Repair lighting system concern. See SELF-DIAGNOSTIC SYSTEM in AUTOLAMP SYSTEMS - LS article.

⁽⁶⁾	For testing procedure, see SELF-DIAGNOSTIC SYSTEM in STEERING COLUMN SWITCHES - LS article.

⁽⁷⁾	Configure instrument cluster. See COMPUTER RELEARN PROCEDURES article in GENERAL INFORMATION. If module was configured correctly, replace instrument cluster and repeat self-test.

⁽⁸⁾	Caused by Anti-Lock Brake System (ABS) control module. Using NGS tester, perform ABS control module self-test and repair anti-lock brake system concern. See appropriate ANTI-LOCK article in BRAKES.

⁽⁹⁾	Caused by Powertrain Control Module (PCM). Using NGS tester, perform PCM self-test and repair transmission control concern. See appropriate ELECTRONIC CONTROLS article in AUTOMATIC TRANSMISSIONS.

⁽¹⁰⁾	Caused by Powertrain Control Module (PCM). Using NGS tester, perform PCM self-test and repair powertrain control concern. See appropriate SELF-DIAGNOSTICS article in ENGINE PERFORMANCE.

MESSAGE CENTER MODULE DTC INDEX ⁽¹⁾

DTC

Description

Perform Test

B1205

Message Center Switch Assembly Circuit Failure

⁽²⁾

B1342

ECU Defective

⁽³⁾

B1676

Battery Voltage Out Of Range

⁽²⁾

B2477

Module Configuration Failure

⁽⁴⁾

U1020

SCP Invalid/Missing Data For A/C Clutch

⁽⁵⁾

U1027

SCP Invalid/Missing Data For Engine RPM

⁽⁶⁾

U1041

SCP Invalid/Missing Data For Vehicle Speed

⁽⁷⁾

U1053

SCP Invalid/Missing Data For Steering/Steering Wheel

⁽⁶⁾

U1059

SCP Invalid/Missing Data For Transmission Range (PRNDL)

⁽⁶⁾

U1065

SCP Invalid/Missing Data For Primary ID Number 41

⁽⁸⁾

U1073

SCP Invalid/Missing Data For Engine Coolant

⁽⁶⁾

U1075

SCP Invalid/Missing Data For Engine Oil

⁽⁵⁾

U1083

SCP Invalid/Missing Data For Engine Systems Other

⁽⁶⁾

U1098

SCP Invalid/Missing Data For Vehicle Speed Control

⁽⁶⁾

U1117

SCP Invalid/Missing Data For Electrical Energy Management

⁽⁵⁾

U1123

SCP Invalid/Missing Data For Odometer

⁽⁸⁾

U1135

SCP Invalid/Missing Data For Ignition Switch/Starter

⁽⁷⁾

U1136

SCP Invalid/Missing Data For Telltales

⁽⁹⁾

U1180

SCP Invalid/Missing Data For Personalization Features

⁽¹⁰⁾

U1181

SCP Invalid/Missing Data For Personalization Features

⁽¹⁰⁾

U1199

SCP Invalid/Missing Data For External Access (Doors)

⁽¹¹⁾

U1217

SCP Invalid/Missing Data For Exterior Light Outage

⁽¹²⁾

U1218

SCP Invalid/Missing Data For Exterior Lights

⁽⁷⁾

U1222

SCP Invalid/Missing Data For Interior Lights

⁽⁷⁾

⁽¹⁾	The message center module is an integral part of the instrument cluster.

⁽²⁾	Repair message center system concern. See SELF-DIAGNOSTIC SYSTEM in INSTRUMENT PANELS - LS article.

⁽³⁾	Using NGS tester, retrieve and document all continuous DTCs. Perform instrument cluster self-test. If DTC B1342 is retrieved again, replace instrument cluster.

⁽⁴⁾	Configure instrument cluster. See COMPUTER RELEARN PROCEDURES article in GENERAL INFORMATION. If module was configured correctly, replace instrument cluster and repeat self-test.

⁽⁵⁾	Caused by Front Electronic Module (FEM). Using NGS tester, perform FEM self-test.

⁽⁶⁾	Caused by Powertrain Control Module (PCM). Using NGS tester, perform PCM self-test.

⁽⁷⁾	Caused by instrument cluster. Using NGS tester, perform instrument cluster self-test.

⁽⁸⁾	Caused by Anti-Lock Brake System (ABS) module. Using NGS tester, perform ABS self-test.

⁽⁹⁾	Caused by Front Electronic Module (FEM) and/or Powertrain Control Module (PCM). Using NGS tester, perform FEM and PCM self-tests.

⁽¹⁰⁾	Caused by Driver's Door Module (DDM). Using NGS tester, perform DDM self-test.

⁽¹¹⁾	Caused by Front Electronic Module (FEM), Rear Electronic Module (REM) and/or Driver's Door Module (DDM). Using NGS tester, perform FEM, REM and DDM self-tests.

⁽¹²⁾	Caused by Front Electronic Module (FEM) and/or Rear Electronic Module (REM). Using NGS tester, perform FEM and REM self-tests.

POWERTRAIN CONTROL MODULE DTC INDEX

DTC ⁽¹⁾

Description

Perform Test

P0703

Brake Switch Input Malfunction

⁽²⁾

P1565

Speed Control Command Switches High/Out Of Range

⁽²⁾

P1566

Speed Control Command Switches Low/Out Of Range

⁽²⁾

P1567

New Generation Speed Control Drive Fault

⁽²⁾

P1568

New Generation Speed Control Servo Self-Test Failure

⁽²⁾

P1572

Brake On/Off Failure

⁽²⁾

⁽¹⁾	Cruise control module is an integral part of the Powertrain Control Module (PCM). Codes listed in this table only apply to cruise control related malfunctions. For a complete list of PCM Diagnostic Trouble Codes (DTCs), see appropriate SELF-DIAGNOSTICS article in ENGINE PERFORMANCE.

⁽²⁾	Repair cruise control system concern. See SELF-DIAGNOSTIC SYSTEM in CRUISE CONTROL SYSTEMS - LS article.

REAR ELECTRONIC MODULE DTC INDEX

DTC

Description

Perform Test

B1201

Fuel Sender Circuit Failure

⁽¹⁾

B1300

Power Door Lock Circuit Failure

⁽²⁾

B1310

Power Door Unlock Circuit Failure

⁽²⁾

B1331

Decklid Ajar Rear Door Circuit Failure

⁽³⁾

B1335

Right Rear Door Ajar Circuit Failure

⁽³⁾

B1342

ECU Defective

⁽⁴⁾

B1483

Brake Pedal Input Circuit Failure

⁽³⁾

B1499

Left Turn Signal Circuit Failure

⁽³⁾

B1501

Left Turn Signal Circuit Short To Voltage

⁽³⁾

B1503

Right Turn Signal Circuit Failure

⁽³⁾

B1505

Right Turn Signal Circuit Short To Voltage

⁽³⁾

B1551

Decklid Release Circuit Failure

⁽²⁾

B1571

Left Rear Door Ajar Circuit Failure

⁽³⁾

B1676

Battery Voltage Out Of Range

⁽⁵⁾

B2172

Inertia Switch Input Circuit Failure

⁽⁶⁾

B2174

Left Rear Window Remote Up Switch Short To Voltage

⁽⁷⁾

B2178

Left Rear Window Remote Down Switch Short To Voltage

⁽⁷⁾

B2190

Right Rear Window Remote Up Switch Short To Voltage

⁽⁷⁾

B2194

Right Rear Window Remote Down Switch Short To Voltage

⁽⁷⁾

B2477

Module Configuration Failure

⁽⁸⁾

U1041

SCP Invalid/Missing Data For Vehicle Speed

⁽⁹⁾

U1059

SCP Invalid/Missing Data For Transmission Range (PRNDL)

⁽¹⁰⁾

U1218

SCP Invalid/Missing Data For Exterior Lights

⁽¹¹⁾

⁽¹⁾	Repair fuel sending unit concern. See SELF-DIAGNOSTIC SYSTEM in INSTRUMENT PANELS - LS article.

⁽²⁾	Repair remote keyless entry system concern. See SELF-DIAGNOSTIC SYSTEM in REMOTE KEYLESS ENTRY SYSTEMS - LS article.

⁽³⁾	Repair lighting system concern. See SELF-DIAGNOSTIC SYSTEM in AUTOLAMPS - LS article.

⁽⁴⁾	Using NGS tester, retrieve and document all continuous DTCs. Perform Rear Electronic Module (REM) self-test. If DTC B1342 is retrieved again, replace REM.

⁽⁵⁾	Repair active anti-theft system concern. See SELF-DIAGNOSTIC SYSTEM in ACTIVE ANTI-THEFT SYSTEMS - LS article.

⁽⁶⁾	Repair inertia fuel shutoff circuit as necessary. Perform TEST HC under SYSTEM TESTS in SELF-DIAGNOSTIC - EEC-V article in ENGINE PERFORMANCE.

⁽⁷⁾	Repair power window system concern. See SELF-DIAGNOSTIC SYSTEM in POWER WINDOWS - LS article.

⁽⁸⁾	Configure Rear Electronic Module (REM). See COMPUTER RELEARN PROCEDURES article in GENERAL INFORMATION. If module was configured correctly, replace REM and repeat self-test.

⁽⁹⁾	Caused by Anti-Lock Brake System (ABS) module. Using NGS tester, perform ABS self-test and repair anti-lock brake system concern. See appropriate ANTI-LOCK article in BRAKES.

⁽¹⁰⁾	Caused by Powertrain Control Module (PCM) module. Using NGS tester, perform PCM self-test and repair transmission control concern. See appropriate ELECTRONIC CONTROLS article in AUTOMATIC TRANSMISSION.

⁽¹¹⁾	Caused by instrument cluster. Using NGS tester, perform instrument cluster self-test.

REMOTE EMERGENCY SATELLITE CELLULAR UNIT DTC INDEX

DTC

Description

Perform Test

B1216

Emergency & Road Side Assistance Switch Circuit Short To Ground

⁽¹⁾

B1342

ECU Defective

⁽²⁾

B1871

Passenger's Air Bag Disable Module Fault

⁽¹⁾

B1874

Cellular Phone Handset Not Present

⁽¹⁾

B1893

GPS Antenna Circuit Open

⁽¹⁾

B2102

GPS Antenna Circuit Short To Ground

⁽¹⁾

B2141

NVM Configuration Failure

⁽³⁾

B2477

Module Configuration Failure

⁽⁴⁾

⁽¹⁾	Repair vehicle emergency message system concern.

⁽²⁾	Using NGS tester, retrieve and document all continuous DTCs. Perform Remote Emergency Satellite Cellular Unit (RESCU) self-test. If DTC B1342 is retrieved again, replace RESCU.

⁽³⁾	Using NGS tester, retrieve and document all continuous DTCs. Perform Remote Emergency Satellite Cellular Unit (RESCU) self-test. If DTC B2141 is retrieved again, replace RESCU.

⁽⁴⁾	Configure Remote Emergency Satellite Cellular Unit (RESCU). See COMPUTER RELEARN PROCEDURES article in GENERAL INFORMATION. If module was configured correctly, replace RESCU and repeat self-test.

RESTRAINT CONTROL MODULE DTC INDEX

DTC ⁽¹⁾

Description

Perform Test

B1342

ECU Defective

⁽²⁾

B1231

RCM Internal Fault

⁽³⁾

B1921

RCM Crash Data Memory Full

⁽³⁾

C1414

Incorrect Vehicle Identification Code

⁽³⁾

B1887

Driver's Air Bag Circuit Shorted To Ground

⁽³⁾

B1888

Passenger's Air Bag Circuit Shorted To Ground

⁽³⁾

B1916

Driver's Air Bag Circuit Shorted To Voltage

⁽³⁾

B1925

Passenger's Air Bag Circuit Shorted To Voltage

⁽³⁾

B1932

Driver's Air Bag Circuit Resistance High

⁽³⁾

B1933

Passenger's Air Bag Circuit Resistance High

⁽³⁾

B1934

Driver's Air Bag Circuit Resistance Low

⁽³⁾

B1935

Passenger's Air Bag Circuit Resistance Low

⁽³⁾

B2444

Driver's Side Crash Sensor Internal Fault

⁽³⁾

B2440

Passenger's Side Crash Sensor Mounting Fault

⁽³⁾

B2441

Driver's Side Crash Sensor Mounting Fault

⁽³⁾

B2445

Passenger's Side Crash Sensor Internal Fault

⁽³⁾

U2017

Driver's Side Crash Sensor Communication Fault

⁽³⁾

U2018

Passenger's Side Crash Sensor Communication Fault

⁽³⁾

B1993

Driver's Side Air Bag Circuit Shorted To Ground

⁽³⁾

B1997

Passenger's Side Air Bag Circuit Shorted To Ground

⁽³⁾

B1992

Driver's Side Air Bag Circuit Shorted To Voltage

⁽³⁾

B1996

Passenger's Side Air Bag Circuit Shorted To Voltage

⁽³⁾

B1994

Driver's Side Air Bag Circuit Resistance High

⁽³⁾

B1998

Passenger's Side Air Bag Circuit Resistance High

⁽³⁾

B1995

Driver's Side Air Bag Circuit Resistance Low

⁽³⁾

B1999

Passenger's Side Air Bag Circuit Resistance Low

⁽³⁾

B1877

Driver's Pretensioner Circuit Resistance High

⁽³⁾

B1885

Driver's Pretensioner Circuit Resistance Low

⁽³⁾

B1881

Passenger's Pretensioner Circuit Resistance High

⁽³⁾

B1886

Passenger's Pretensioner Circuit Resistance Low

⁽³⁾

B1878

Driver's Pretensioner Circuit Short To Voltage

⁽³⁾

B1879

Driver's Pretensioner Circuit Short To Ground

⁽³⁾

B1882

Passenger's Pretensioner Circuit Short To Voltage

⁽³⁾

B1883

Passenger's Pretensioner Circuit Short To Ground

⁽³⁾

B1892

Air Bag Tone Warning Indicator Circuit Shorted To Ground Or Open

⁽³⁾

B1891

Air Bag Tone Warning Indicator Circuit Shorted To Voltage

⁽³⁾

B1869

Air Bag Indicator Inoperative

⁽³⁾

B1870

Air Bag Indicator Shorted To Voltage

⁽³⁾

⁽¹⁾	DTCs are listed in order of importance. Repair DTCs in order listed.

⁽²⁾	Using NGS tester, retrieve and document all continuous DTCs. Perform Restraint Control Module (RCM) self-test. If DTC B1342 is retrieved again, replace RCM.

⁽³⁾	Repair supplemental restraint system concern. For information on supplemental restraint system DIAGNOSIS & TESTING, see lemon-25(R) AIR BAG SERVICE & REPAIR MANUAL, DOMESTIC & IMPORTED MODELS.

STEERING COLUMN LOCK MODULE DTC INDEX

DTC

Description

Perform Test

B1342

ECU Defective

⁽¹⁾

B2162

Data Mismatched Number 2

⁽²⁾

B2168

Unable To Confirm Unlock Condition

⁽³⁾

B2169

Unable To Confirm Lock Condition

⁽³⁾

B2170

Steering Column Lock Switch Circuit Failure

⁽⁴⁾

⁽¹⁾	Using NGS tester, retrieve and document all continuous DTCs. Perform Steering Column Lock (SCL) module self-test. If DTC B1342 is retrieved again, replace SCL module.

⁽²⁾	Perform Steering Column Lock (SCL) module parameter reset. See PROGRAMMING in STEERING COLUMN SWITCHES - LS article.

⁽³⁾	Repair steering lock system concern. See SELF-DIAGNOSTIC SYSTEM in STEERING COLUMN SWITCHES - LS article.

⁽⁴⁾	Replace Steering Column Lock (SCL) module.